<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>创建JavaScript对象模板</title>
</head>
<body>
<script>
    function person(firstname,lastname,age,eyecolor){
        this.firstname=firstname;
        this.lastname=lastname;
        this.age=age;
        this.eyecolor=eyecolor;
    }
    myFather=new person("John","Doe",50,"blue");
    document.write(myFather.firstname + " is " + myFather.age + " years old.");
</script>
</body>
</html>